这个编译怎么老报错，疯狂了

梅川内依酷

1. #include <iostream>
   
2. #include <string>
   
3. #include <set>
   
4. #include <iterator>
   
5. #include <algorithm>
   
6. 
   
7. using namespace std;
   
8. 
   
9. int main()
   
10. {
    
11.     set<int> tree_set; // set a set
    
12.     set<int>::iterator iterator_tree;
    
13.     set<int> hree_set;
    
14.     set<int> union_set;
    
15. 
    
16.     tree_set.insert(18);
    
17.     tree_set.insert(1);
    
18.     tree_set.insert(22);
    
19.     tree_set.insert(8);
    
20.     tree_set.insert(41);
    
21.     tree_set.insert(242);
    
22.     tree_set.insert(184);
    
23.     tree_set.insert(11);
    
24.     tree_set.insert(220);
    
25. 
    
26.     hree_set.insert(99);
    
27.     hree_set.insert(98);
    
28.     hree_set.insert(97);
    
29.     hree_set.insert(95);
    
30.     hree_set.insert(91);
    
31. 
    
32.     for (iterator_tree = tree_set.begin(); iterator_tree != tree_set.end(); iterator_tree++)
    
33.     {
    
34.         cout << *iterator_tree << endl;
    
35.     }
    
36. 
    
37.     cout << "The nums element of tree_set is:" << tree_set.size() << endl;
    
38. 
    
39.     if (tree_set.find(220) == tree_set.end())
    
40.     {
    
41.         cout << "220 is not in this set" << endl;
    
42.     }
    
43.     else
    
44.     {
    
45.         cout << "find 220" << endl;
    
46.     }
    
47. 
    
48.     set_union(tree_set.begin(), tree_set.end(), hree_set.begin(), hree_set().end(), inserter(union_set, union_set.begin()));
    
49.     copy(union_set.begin(), union_set.end(), ostream_iterator<int>(cout, " "));
    
50. 
    
51.     return 0;
    
52. }
    

复制代码

$ g++ set.cpp -o set
set.cpp: In function ‘int main()’:
set.cpp:48: error: no match for call to ‘(std::set<int, std::less<int>, std::allocator<int> > ()’

wmytch

hree_set().end()

多了个括号吧

notion001

inserter(union_set, union_set.begin()));
多了个括号吧

梅川内依酷

回复 2# wmytch


    谢谢  {:3_185:}